pixabay.com Lemons became immensely popular after 1720, when it was discovered that they help prevent a dangerous disease related to vitamin C deficiency that was afflicting sailors. The disease was:
flickr.com In the Tour de France, the cyclist who's first in the general classification wears a yellow jersey.
pixabay.com At the end of the 19th century, Charlotte Perkins Gilman wrote a groundbreaking short story about women's physical and mental health, entitled "The Yellow _____________."
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